A watch having marked price as ₹ 8,400/- is sold for&n

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

What is the remainder when 6910 is divided by 81?

  • 25

  • 23

  • 21

  • 19


53.

Area of 4 walls of a cuboid is 57m2, if its length is 5.5 m and height is 3 m. What is the breadth (in m)?

  • 4.5 m

  • 4 m

  • 3 m

  • 3.5 m


54.

At 30% discount the selling price of an article is ₹ 1,050/-. What is the selling price (in ₹) if the discount is 15%?

  • ₹ 1,200/-

  • ₹ 1,175/-

  • ₹ 1,100/-

  • ₹ 1,275/-


55.

What is the fourth proportional to 336, 288 and 161?

  • 184

  • 115

  • 138

  • 134


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60.

The simple and compound interest that can be earned in two years at the same rate is ₹ 4,000/- and ₹ 4,180/- respectively. What is the rate(% per annum) of interest?

  • 18% per annum

  • 4.5% per annum

  • 9% per annum

  • 12% per annum


61.

If fraction numerator 2 straight x over denominator 3 end fraction minus fraction numerator open square brackets 5 open parentheses begin display style fraction numerator 4 straight x over denominator 5 end fraction end style minus begin display style 4 over 3 end style close parentheses close square brackets over denominator 2 end fraction space equals space 1 third comma then what is the value of x?

  • 9 over 4

  • 4 over 9

  • negative 9 over 4

  • negative 4 over 9


63.

6 times a fraction is greater than 7 times its reciprocal by 11. What is the fraction?

  • 5 over 3

  • 7 over 3

  • 5 over 4

  • 4 over 5


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73.

A watch having marked price as ₹ 8,400/- is sold for ₹ 5,040/- after two successive discounts. If the first discount is 25%, then what is the second discount percentage?

  • 0.15%

  • 20%

  • 0.25%

  • 0.3%


B.

20%

Let the second discount be x%
Now, According to the question,
   8400 × (100-25)100 × (100-x)100 = 5040     84 × 75 × (100-x)100 = 5040      21 × 3 × (100-x) = 5040
    6300 - 63x = 5040          63x = 6300 - 5040          63x = 1260            x = 20%


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